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ELAN vs TECX: Correlation

How closely do Elanco Animal Health Incorporated (ELAN) and Tectonic Therapeutic, Inc. (TECX) trade together? Their weekly returns over three years give a correlation of -0.26, which is negative.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.26
negative
Correlation (1Y)
-0.12
last 12 months
Correlation (5Y)
-0.18
long-run
Ann. covariance
-7329.6
%² · weekly, annualized

How correlated are ELAN and TECX?

Across a 3-year window, the weekly returns of ELAN and TECX correlate at -0.26, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.12 versus -0.26 over 3 years. Stretching to 5 years gives -0.18, with an annualized covariance of -7329.6 %².

Out of 11 assets tracked against ELAN, TECX lands near the bottom at #9. On 12-month performance TECX holds a 5.8-point edge, +32.4% against +38.2%. Risk is not evenly split, since TECX carries 14.0 times the volatility of the other side.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

ELAN vs TECX: side by side

ELAN (Elanco Animal Health Incorporated)TECX (Tectonic Therapeutic, Inc.)
1-year return+32.4%+38.2%
5-year return-26.8%-52.9%
Volatility (ann.)44.8%628.0%
Beta vs S&P 5001.180.20
Max drawdown (3Y)-56.1%-92.8%
Market cap$12.2B$0.7B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: ELAN -56.1% vs -92.8%Higher 5y return: ELAN -26.8% vs -52.9%
-11%0%+126%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ELAN · TECX

Year-by-year returns

YearELANTECX
2022-56.9%-81.6%
2023+21.9%+91.5%
2024-18.7%+182.9%
2025+86.9%-54.8%
2026+8.2%+75.9%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are ELAN and TECX good diversifiers for each other?

Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between ELAN and TECX?

As of 2026-08-27, the correlation of weekly returns between ELAN and TECX is -0.26 over 3 years, -0.12 over 1 year and -0.18 over 5 years.

Is TECX a good diversifier for ELAN?

Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.26 mean?

On the −1 to +1 scale, -0.26 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

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ELAN vs TECX: 3-year weekly correlation -0.26ELAN vs TECX-0.26

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Hubs: ELAN correlations · TECX correlations